/* { dg-do compile } */ /* { dg-options "-O2 --save-temps" } */ unsigned char byte = 0; void set_bit (unsigned int bit, unsigned char value) { unsigned char mask = (unsigned char) (1 << (bit & 7)); if (! value) byte &= (unsigned char)~mask; else byte |= mask; /* { dg-final { scan-assembler "and\tw\[0-9\]+, w\[0-9\]+, 7" } } */ }